Extended Interrupt Enable Register.
| RX_THD | RX FIFO reach programmed trigger level, it is set when the RX FIFO reaches programmed trigger level (RT[2:0] in MR register). To clear the RXFT interrupt, write this bit 1 |
| RX_TO | RX FIFO Timeout Indicator. It is set when there is no write or read from/in to RX FIFO for the user defined time (RXFTO register) and there is at least 1 entry in RX FIFO during this time, this bit is clear by write 1 |